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IdeaPad Z400 Touch: Missing dust removal option after a clean boot


I performed a clean boot on my IdeaPad Z400 Touch due to some problems i encountered. After this, I noticed that the dust removal option in the Energy Management is missing. How I can get it back? 


My laptop is running Windows 8 64 bit.


Try re-installing the Energy Management software/driver for Windows 8 for your model. The link below provides the software needed:


Download: http://download.lenovo.com/consumer/mobiles/em8.


Alternatively, you can always get the latest Lenovo Energy Management from support.lenovo.com.


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